Full Metal "220V Cooling Fan" blades are monolithic metal forming, then welded to the rotor blades individually, or welded sleeve leaves, leaf surfaces and reasonable layout, compared with the market, forming one of the blades It has a greater air volume and lower noise. Full Metal "220V Cooling Fan", can be applied to ground control devices, wind power, large uninterruptible power supply (UPS), power supply mining equipment, medical equipment, stage lighting, power equipment, commercial kitchen, welding machines, satellite communications, CNC machinery, cabinet, industrial ovens and other ventilation purposes. In addition to conventional 115V and 230V products, but also 380V and dual voltage (100V and 200V share) of the product, "220V Cooling Fan" is the best heat dissipation device.